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Hi everyone, so one of my guys installed an AC today on an existing Lennox G60DF-48C-110-10 furnace. The furnace would not come on in heat mode. The unit was giving a 1 + 3 error that basically said...

I would think that you've got a seal issue. Those tube HX's are pretty solid under normal conditions. Like others have said, I would look at the inducer seal. I had a weird one like this once and it...

DMT is the spiritual mechanism within our brains. When people have a near death experience, consult with the Virgin Mary, or have a profound spiritual experience, DMT is the source of that function....

I bet you old guys who are all hard headed about cannabis are alcoholics... The cronyism that demonized "marihuana" back in the 30's is still having its effect on you. Its funny, if some progressive...

Nice... i just had a moron representing himself as general contractor that hired us hook up gas, thermostat wire and power to an otherwise beautifully installed furnace system and fire it off without...

I am going to take my electrical administrator exam and was wondering if there is a really good study guide that covers only what is in the test rather than memorizing the entire NEC. The reason I'm...